CVE-2026-2806

Uninitialized memory in the Graphics: Text component

Critical · published February 24, 2026

CVSS v3.1
9.1
EPSS
1%
Percentile
49.2
In the wild
Unconfirmed
What it is

Uninitialized memory in the Graphics: Text component. This vulnerability was fixed in Firefox 148 and Thunderbird 148.

The record
Technical detail
CVSS v3.1
9.1 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00623 · 49.2th percentile
Published
2026-02-24T13:33Z
EPSS history
Timeline
  • 24 FEB 13:33Z
    Uninitialized memory in the Graphics: Text component
    cvelistv5